Home / 10,020.14-15,030.58-3,446.30

Finding the Fourth Proportional to 10,020.14, 15,030.58 and 3,446.30

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Solution

The fourth proportional to 10,020.14, 15,030.58 and 3,446.30 is: 5,169.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,020.14 : 15,030.58 = 3,446.30 : x
  2. Step 2: Convert to fraction form
    10,020.14/15,030.58 = 3,446.30/x
  3. Step 3: Cross multiply
    10,020.14x = 15,030.58 × 3,446.30
  4. Step 4: Simplify right side
    10,020.14x = 51,799,887.85
  5. Step 5: Solve for x
    x = 51,799,887.85/10,020.14
  6. Step 6: Final answer
    x = 5,169.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.